Patents by Inventor David Duane BROWN

David Duane BROWN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHOD OF CONTINUOUSLY PROPORTIONING AND MIXING MULTI-COMPONENT SEALANT FOR WELLS
    Publication number: 20190211252
    Abstract: A method of providing a resin based sealant to a flow line leading to a well includes determining a quantity of resin to perform a sealing operation in the well, determining a ratio of resin to a hardener to provide a hardened sealing material with desired properties establishing a flow of the resin having a resin flow rate, and, continuously mixing the resin and hardener and delivering the combined flow of resin and hardener after mixing to an injection line leading to the well while continuing to combine a further flow of the resin at the resin flow rate and a further flow of hardener at the hardener flow rate to form an additional combined flow.
    Type: Application
    Filed: May 10, 2017
    Publication date: July 11, 2019
    Applicant: CSI Technologies LLC
    Inventors: Freddie Lynn SABINS, Larry Thomas WATTERS, Jeffrey Thomas WATTERS, Tyler JAMES, David Duane BROWN
  • Method of using low-density, freezable fluid to create a flow barrier in a well
    Patent number: 10202733
    Abstract: Disclosed herein is a temporary wellbore sealant, comprising water, a gelling agent; and a filler, wherein: the filler has a lower specific gravity than the water of the sealant; and the sealant has a lower specific heat than the water of the sealant and a method of temporarily sealing a liquid filled wellbore therewith.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: February 12, 2019
    Assignee: CSI Technologies LLC
    Inventors: Nathan Kyle Combs, Jeffrey Thomas Watters, David Duane Brown, Larry Thomas Watters
  • METHOD OF USING LOW-DENSITY, FREEZABLE FLUID TO CREATE A FLOW BARRIER IN A WELL
    Publication number: 20180038061
    Abstract: Disclosed herein is a temporary wellbore sealant, comprising water, a gelling agent; and a filler, wherein: the filler has a lower specific gravity than the water of the sealant; and the sealant has a lower specific heat than the water of the sealant and a method of temporarily sealing a liquid filled wellbore therewith.
    Type: Application
    Filed: August 3, 2017
    Publication date: February 8, 2018
    Inventors: Nathan Kyle COMBS, Jeffrey Thomas WATTERS, David Duane BROWN, Larry Thomas WATTERS